標題: Minimal size nitro engine helicopter, any idea? [打印本頁] 作者: TheWolf 時間: 2011-9-10 15:12 標題: Minimal size nitro engine helicopter, any idea? Interested to know how small a nitro powered helicopter could be in the market? Say, .9 engine? Any idea?作者: tiger1 時間: 2011-9-10 19:59
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